The jury remains out on whether the June 2020 event was a nuclear test or not. What is certain is that we are in a time of nuclear uncertainty and it will continue for some time,” ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

NASA officials had a lot of positive news to deliver on Friday morning regarding the second Artemis II wet dress rehearsal.

Called "ELISE", the test rig will replicate the conditions of the Blue Capsule's high-temperature small modular reactor , with temperatures reaching 1,382 °F (750°C).

NASA took another crack at fueling its giant moon rocket Thursday after leaks halted the initial dress rehearsal and delayed ...

Breast exams, birth control and family planning are just some of the reasons not to skip your annual ob-gyn appointment.

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.

To protect Allied astronauts and spacecraft, U.S. commanders need to stage a preemptive strike on Russia’s atomic-armed ASAT missile before it can be launched into orbit.

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

More than 6,000 plaintiffs sued over claims that Navy contractor Tetra Tech falsified soil tests for a radioactive cleanup ...

The expiry of the Strategic Arms Reduction Treaty has barely caused a stir. Yet as great power rivalry takes a new form, the logic of Mutually Assured Destruction—and the ghosts of Dr Strangelove—may ...